Task: | Tunnels |
Sender: | thuustalu |
Submission time: | 2017-01-21 02:44:41 +0200 |
Language: | C++ |
Status: | READY |
Result: | 0 |
group | verdict | score |
---|---|---|
#1 | WRONG ANSWER | 0 |
#2 | WRONG ANSWER | 0 |
#3 | WRONG ANSWER | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.04 s | 1 | details |
#2 | WRONG ANSWER | 0.04 s | 1 | details |
#3 | WRONG ANSWER | 0.05 s | 1 | details |
#4 | WRONG ANSWER | 0.04 s | 1 | details |
#5 | WRONG ANSWER | 0.04 s | 1 | details |
#6 | WRONG ANSWER | 0.04 s | 2 | details |
#7 | WRONG ANSWER | 0.04 s | 2 | details |
#8 | WRONG ANSWER | 0.04 s | 2 | details |
#9 | WRONG ANSWER | 0.04 s | 2 | details |
#10 | WRONG ANSWER | 0.04 s | 2 | details |
#11 | WRONG ANSWER | 0.20 s | 3 | details |
#12 | WRONG ANSWER | 0.12 s | 3 | details |
#13 | WRONG ANSWER | 0.07 s | 3 | details |
#14 | WRONG ANSWER | 0.07 s | 3 | details |
#15 | WRONG ANSWER | 0.05 s | 3 | details |
Code
#include <iostream> #include <stdlib.h> const int MAX_ROOM = 100005; using namespace std; int depc [MAX_ROOM], arrc [MAX_ROOM], root [MAX_ROOM], ans [MAX_ROOM]; int find (int u) { if (root[u] == u) { return u; } else { root[u] = find(root[u]); return root[u]; } } void merge (int u, int v) { if (find(u) != find(v)) { if (rand() % 2 == 0) { root[find(u)] = find(v); } else { root[find(v)] = find(u); } } } int main () { for (int i = 0; i < MAX_ROOM; i++) { root[i] = i; } int roomc, edgec; cin >> roomc >> edgec; for (int i = 0; i < edgec; i++) { int u, v; cin >> u >> v; depc[u]++; arrc[v]++; merge(u, v); } for (int i = 1; i <= roomc; i++) { if (depc[i] > arrc[i]) { ans[find(i)] += depc[i] - arrc[i]; } } int sol = 0; for (int i = 1; i <= roomc; i++) { if (root[i] == i) { sol += max(ans[i], 1); } } cout << sol << endl; }
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
10 20 4 5 6 4 5 1 5 9 ... |
correct output |
---|
11 |
user output |
---|
11 |
Test 2
Group: 1
Verdict: WRONG ANSWER
input |
---|
10 10 7 3 5 2 9 7 1 5 ... |
correct output |
---|
5 |
user output |
---|
6 |
Test 3
Group: 1
Verdict: WRONG ANSWER
input |
---|
10 5 5 7 3 8 5 8 3 7 ... |
correct output |
---|
4 |
user output |
---|
9 |
Test 4
Group: 1
Verdict: WRONG ANSWER
input |
---|
10 4 9 1 6 8 7 1 5 7 |
correct output |
---|
3 |
user output |
---|
7 |
Test 5
Group: 1
Verdict: WRONG ANSWER
input |
---|
10 2 10 6 2 1 |
correct output |
---|
2 |
user output |
---|
8 |
Test 6
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 200 24 40 25 6 36 93 92 90 ... |
correct output |
---|
97 |
user output |
---|
102 |
Test 7
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 100 98 37 91 37 60 92 46 27 ... |
correct output |
---|
60 |
user output |
---|
73 |
Test 8
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 50 74 95 53 72 69 85 14 13 ... |
correct output |
---|
34 |
user output |
---|
76 |
Test 9
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 40 28 76 10 81 13 52 46 83 ... |
correct output |
---|
29 |
user output |
---|
79 |
Test 10
Group: 2
Verdict: WRONG ANSWER
input |
---|
100 20 27 35 72 92 56 4 64 80 ... |
correct output |
---|
18 |
user output |
---|
81 |
Test 11
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 200000 89244 59358 22943 56710 63331 89437 56581 38400 ... |
correct output |
---|
102510 |
user output |
---|
107130 |
Test 12
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 100000 21701 85599 61542 21474 38081 29362 46316 64038 ... |
correct output |
---|
60593 |
user output |
---|
79082 |
Test 13
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 50000 86469 4833 16351 35505 59315 33011 95464 16985 ... |
correct output |
---|
35933 |
user output |
---|
76382 |
Test 14
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 40000 5392 23534 63204 45619 74330 25925 59678 88427 ... |
correct output |
---|
30074 |
user output |
---|
77922 |
Test 15
Group: 3
Verdict: WRONG ANSWER
input |
---|
100000 20000 80156 16531 71753 77661 7028 33389 17168 646 ... |
correct output |
---|
16882 |
user output |
---|
85037 |